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Analytic surface types for exact geometric computations.
These surfaces complement NURBS surfaces by providing exact parameterizations for common shapes (cylinder, cone, sphere, torus). This enables exact intersection algorithms (e.g., plane-cylinder = ellipse) without sampling.
Structsยง
- Conical
Surface - An infinite conical surface.
- Cylindrical
Surface - An infinite cylindrical surface.
- Revolution
Surface - A surface of revolution created by revolving a curve around an axis.
- Spherical
Surface - An infinite spherical surface (actually a sphere).
- Toroidal
Surface - A toroidal surface.